Analysis
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max time kernel
149s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 20:35
Static task
static1
Behavioral task
behavioral1
Sample
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe
Resource
win10v2004-20240412-en
General
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Target
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe
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Size
4.2MB
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MD5
a77d44a39e0440b2213ab71f6bed30e3
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SHA1
be15d762b23fafaf53fad87b811caf38214cfb47
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SHA256
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf
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SHA512
b11f578a5f332d11695cc23f9bcdd3e5269a87d97e9377fdac0522e5fd5bca62a6869c9e280c8c74a9feda6dfb35421e676fa35450f81aa3a5179e13e84cb7b3
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SSDEEP
98304:bVFRqPMdPA984H0WMAw6acMgLNchhd+W2lPIIo31xn1vrLR/3Lz8:hFYkS+E0uawLNQ+/9Bo7/s
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/4984-2-0x0000000004130000-0x0000000004A1B000-memory.dmp family_glupteba behavioral1/memory/4984-3-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/4984-53-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/4984-56-0x0000000004130000-0x0000000004A1B000-memory.dmp family_glupteba behavioral1/memory/2960-55-0x0000000003EF0000-0x00000000047DB000-memory.dmp family_glupteba behavioral1/memory/2960-57-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/2960-155-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-259-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-269-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-272-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-275-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-278-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-281-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-284-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-287-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-290-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-293-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-296-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-299-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba behavioral1/memory/1760-302-0x0000000000400000-0x0000000001DFF000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2948 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1760 csrss.exe 1996 injector.exe 1644 windefender.exe 316 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1644-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/316-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/316-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exedescription ioc process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe File created C:\Windows\rss\csrss.exe 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4616 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 640 schtasks.exe 4312 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exepowershell.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2888 powershell.exe 2888 powershell.exe 4984 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 4984 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 4640 powershell.exe 4640 powershell.exe 4640 powershell.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe 1168 powershell.exe 1168 powershell.exe 1168 powershell.exe 2848 powershell.exe 2848 powershell.exe 2848 powershell.exe 4432 powershell.exe 4432 powershell.exe 4432 powershell.exe 3196 powershell.exe 3196 powershell.exe 3196 powershell.exe 4280 powershell.exe 4280 powershell.exe 4280 powershell.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1760 csrss.exe 1760 csrss.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1760 csrss.exe 1760 csrss.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1760 csrss.exe 1760 csrss.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe 1996 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2888 powershell.exe Token: SeDebugPrivilege 4984 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Token: SeImpersonatePrivilege 4984 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 1168 powershell.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeSystemEnvironmentPrivilege 1760 csrss.exe Token: SeSecurityPrivilege 4616 sc.exe Token: SeSecurityPrivilege 4616 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4984 wrote to memory of 2888 4984 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 4984 wrote to memory of 2888 4984 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 4984 wrote to memory of 2888 4984 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 4640 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 4640 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 4640 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 4988 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe cmd.exe PID 2960 wrote to memory of 4988 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe cmd.exe PID 4988 wrote to memory of 2948 4988 cmd.exe netsh.exe PID 4988 wrote to memory of 2948 4988 cmd.exe netsh.exe PID 2960 wrote to memory of 1168 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 1168 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 1168 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 2848 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 2848 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 2848 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe powershell.exe PID 2960 wrote to memory of 1760 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe csrss.exe PID 2960 wrote to memory of 1760 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe csrss.exe PID 2960 wrote to memory of 1760 2960 8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe csrss.exe PID 1760 wrote to memory of 4432 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 4432 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 4432 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 3196 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 3196 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 3196 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 4280 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 4280 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 4280 1760 csrss.exe powershell.exe PID 1760 wrote to memory of 1996 1760 csrss.exe injector.exe PID 1760 wrote to memory of 1996 1760 csrss.exe injector.exe PID 1644 wrote to memory of 2292 1644 windefender.exe cmd.exe PID 1644 wrote to memory of 2292 1644 windefender.exe cmd.exe PID 1644 wrote to memory of 2292 1644 windefender.exe cmd.exe PID 2292 wrote to memory of 4616 2292 cmd.exe sc.exe PID 2292 wrote to memory of 4616 2292 cmd.exe sc.exe PID 2292 wrote to memory of 4616 2292 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe"C:\Users\Admin\AppData\Local\Temp\8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2888
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C:\Users\Admin\AppData\Local\Temp\8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe"C:\Users\Admin\AppData\Local\Temp\8326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2960 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4640
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:2948
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4432
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:640
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:732
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3196
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1996
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4312
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:4616
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:316
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511938fec7173561ac7b959addd18dd2b
SHA18d158892984bbbbef92765fe8e28c30e196e311b
SHA25606ab9478b33ea68a041b83b78e88412bab8b16d6ddd8568a4949eabc01560ed0
SHA5128053d9592f7afc7442a329de3d7a4e375ab3a51e130c568aa64aa59c107841cd23ae0e1253832830133bf77ea345fd86f85a92944bdc3d39782985cc1f6d449d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55c3022dce4981da9c23492bdd42f9166
SHA1587704479d4227a5b539e83cfab2087bf315d83f
SHA256666e4cd1bf97771fec27b52928d2a3d3947c3ff40363c33afe2a2776252b1310
SHA512bc46e79a77ac09ac20faabe56117cf60190a2fa60256736b00e5edf68c0805feb7159efc1cf0a36b0c0d4273f6a45d0a20b4cc18931d0c4065e991b019dedca3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e92975467daef2bf5803068644a1951b
SHA11e4803a6e64d7d8b82f80c6aaf0d466612c0f69a
SHA2562c9ecc89fd1061195affb279b52a7742ff811e8ed33495d6f54ad4c717c43778
SHA5126e98da4b5fd162ca92c301dbc420c893893ff9c3d86e8ddf36e198f7e023d8027fb6b3d4372309eda303a0c75ec0f5d40272d93a539729dc8eb9eea0532fcdac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5503a2e354250217a34152bdf64faf92f
SHA18a8757162fa6f02534b08c349bfd9c514d0c01e2
SHA256e9bdb5c20fc5190f816718f308ff8f5b6f92c5395ffff412e44542d40cba03c2
SHA5126d9ad5580b0b732b3c984f2f484855803e59be6f6b3784f9eb939a8f161d8cd93bab2c5d5f10c70594896d49ccbdf87878e9ea1a5ad6d49c3e547f515b759a9c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD556778fb855444b2cb56dc5e749225629
SHA172d8d0d886996caed9e08b945c3af389275ec097
SHA256b590b6181f0ad8e4ae9cede30c848e4f00632ddefc2ae1f889a719300ae4ce6e
SHA5129a5d29fbf1db397b86a693061e9620f9268890911db80791c8802705109da9078f180179526da1cc0f053c6ccbf7d05257fe52292d197def683cd01231b02705
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Filesize
4.2MB
MD5a77d44a39e0440b2213ab71f6bed30e3
SHA1be15d762b23fafaf53fad87b811caf38214cfb47
SHA2568326a02c882a5bad22365bf6e1da789ea8f140df415cfb7966123d5ace4373cf
SHA512b11f578a5f332d11695cc23f9bcdd3e5269a87d97e9377fdac0522e5fd5bca62a6869c9e280c8c74a9feda6dfb35421e676fa35450f81aa3a5179e13e84cb7b3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec